Abbreviated Journal Title
Opt. Express
Keywords
TRANSPARENT MATERIALS; FORM BIREFRINGENCE; GRATINGS; FABRICATION; LASER; GLASS; EFFICIENCY; SILICA; Optics
Abstract
Diffractive optical elements serve an important function in many dynamic and static optical systems. Multilayered diffractive elements offer powerful opportunity to harness both phase and amplitude modulation for benefits in diffraction efficiency and beam shaping. However, multilayered combinations have been difficult to fabricate and provide only weak diffraction for phase gratings with low refractive index contrast. Femtosecond laser writing of finely-pitched multilayer volume gratings was optimized in bulk fused silica. We identify and quantify an optimum layer-to-layer separation according to Talbot self-imaging planes and present systematic experimental validation of this new approach to enhance otherwise weakly diffracting volume gratings.
Journal Title
Optics Express
Volume
20
Issue/Number
21
Publication Date
1-1-2012
Document Type
Article
Language
English
First Page
23960
Last Page
23970
WOS Identifier
ISSN
1094-4087
Recommended Citation
Ng, Mi Li; Chanda, Debashis; and Herman, Peter R., "Coherent stitching of light in multilayered diffractive optical elements" (2012). Faculty Bibliography 2010s. 3081.
https://stars.library.ucf.edu/facultybib2010/3081
Comments
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